I am watching such xvids regularly, with buffering no more than 5 secs. So everything looks OK from this side too :-)

Another idea, where are the videos stored? I am using an external WD MyBook, and if it has not been accessed for a longer time I believe it goes into sleep mode, and after you initiate the movie it takes a few more seconds for it to go into regular working mode.

If you feel like experimenting, you can also try to connect the PC and the TV directly with a crossover cable, no router, no switch. Set up fixed IP addresses and try streaming through DLNA.

I'm really trying to keep those tests as simple as possible.
I now have got a 20 Gbit sample of 12 movies. That sample is on the main hard disk of each test computer. The computers are not in sleep mode when I perform the tests.

Originally Posted by starterz

If you feel like experimenting, you can also try to connect the PC and the TV directly with a crossover cable, no router, no switch. Set up fixed IP addresses and try streaming through DLNA.

SSDP allows that device to advertise its services to control points on the network. Similarly, when a control point is added to the network, SSDP allows that control point to search for devices of interest on the network.

Is the router the control point or can any device on the network find any other?
If the router is the control point there's no way to get uPnP working without a router.
Any experiences with uPnP, fixed IP and crossover cable ?

No, I think that the control point is any device that can "control" content from the media (DLNA) server. For example, one control point is the TV, another would be a mobile device (smartphone), another computer etc.

The router is not of importance here, since the routing part is used for connecting two networks (the internet and your local network). You only use the switch (within your router) for the local network. So you can also use only a switch, without routing. In cases where a switch is not available, two computers can be connected in a local network (example 192.168.1.0/24) directly one to another with a crossover cable. You can use network sharing and gaming this way with no problems.

I am only not sure if DLNA would work through crossover cable, as I have never tried this.

I am only not sure if DLNA would work through crossover cable, as I have never tried this.

Crossover cable works, I tried it. Unfortunately the result is the same: 1 minute of buffering.
TV:

IP:192.168.1.11

mask: 255.255.0.0

gateway:192.168.1.10

Ubuntu (intel i7):

IP:192.168.1.10

mask: 255.255.0.0

gateway:192.168.1.1 (whatever)

What's interesting is that while the movie was loading I monitored CPU and network activity. CPU is like I always say: flat. It's an effortless task for it. Network on the other hand is sending (from the server) with an average of 45mbit and peaks at 60mbit. It look like the TV is definitively buffering that file.

I changed my sample base and bingo, I found a > than 1 GiB file that loaded instantly.

You made an excellent test. Now we are sure about DLNA through crossover, sorry that it did not solve your problem.

Default Gateway should not be used at all, as it is used only as a gate to another network (the internet in most cases). You can leave it blank in such cases.

I would expect some buffering to be done by the TV, but not that much. The same happens in the network at my side, but only for a few seconds - not more than 10 secs even when the external WD MyBook has to come out of sleep.

Default Gateway should not be used at all, as it is used only as a gate to another network (the internet in most cases). You can leave it blank in such cases.

yes I know that. Two reasons for setting it that way.
On the computer I didn't want to play with the etc/network/interfaces which didn't look like the one from the former version. So I used the wizard which requires a gateway.
On the TV, it didn't find the server until I added the computer IP as the gateway IP. Perhaps I didn't wait long enough for the IP scope to be scanned.

Originally Posted by starterz

I would expect some buffering to be done by the TV, but not that much. The same happens in the network at my side, but only for a few seconds - not more than 10 secs even when the external WD MyBook has to come out of sleep.

It looks like it depends on the file format. You can once try to download a
"Format profile : OpenDML // Format : MPEG-4 Visual" and give it a test.

The problem can also be linked to the version of my TV. I've got a 40PFL8606K, perhaps people using the "H" version don't have that problem.

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